Home / 8,815.23-13,223.45-2,575.40

Finding the Fourth Proportional to 8,815.23, 13,223.45 and 2,575.40

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Solution

The fourth proportional to 8,815.23, 13,223.45 and 2,575.40 is: 3,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.23 : 13,223.45 = 2,575.40 : x
  2. Step 2: Convert to fraction form
    8,815.23/13,223.45 = 2,575.40/x
  3. Step 3: Cross multiply
    8,815.23x = 13,223.45 × 2,575.40
  4. Step 4: Simplify right side
    8,815.23x = 34,055,613.45
  5. Step 5: Solve for x
    x = 34,055,613.45/8,815.23
  6. Step 6: Final answer
    x = 3,863.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.